上课 高中状语从句重点难点归纳课件-.ppt

现在分词、过去分词、不定式作状语。 The professor entered the lab, his students following him. （独立主格结构） 5.从太空中看， 地球就像一个被水覆盖的球体。 8.由于没有按时完成工作，Tim被老板解雇了。 17.尽管被告知了多次， 他仍不明白我的意思。 状语从句的时态问题　　 1、The house could fall down soon if no one___some quick repair work. A has done B is doing C does D had done 2、It is almost five years ____we saw each other last time. A. before B. since C. after D. when 在条件，时间状语从句中，用一般现在时表示一般将来时。在 since 引导的时间状语从句中，动词一般都用一般过去时，而主句常用现在完成时。 C B 状语从句的倒装问题　 1、So difficult _____ it to live in an English-speaking country that I determined to learn English. A. I have felt B. have I felt C. I did feel D. did I feel 2、Not until all the fish died in the river _____ how serious the pollution was. A. did the villagers realize B. the villagers realized C. the villagers did realize D. didn’t the villagers realize D A 状语从句的倒装一般有下面几种情况： ① 否定词开头；not until ② so 加 adj. 开头； ③ as / though引导的让步状语从句。 特别注意：Hardly … when … No sooner … than … Child as he is, … Hardly had he got to the station when the train left. No sooner had he got to the station than the train left. Child as he is, he can speak seven foreign languages. While watching TV, _________. A the doorbell rang B the doorbell rings C we heard the door bell ring D we heard the doorbell rings C 状语从句省略问题 1：如果主从句主语一致，从句中又有“be”时，省略主语和be。 While still a student, she played many roles. When told the secret, he was surprised. When (he was) still a boy of ten, he had to work day and night If (you are) asked, you may come in. 2：从句中可省略it+是。 You can turn to me for help if necessary. If (it is) necessary / possible ... I’ll explain it to you again. 状语从句省略问题 状语从句与并列句的区别　 1、Though he is in his sixties, ______ he works as hard as a young man A. yet B. but C. and D. and yet 2、 Excuse me for breaking in, _______ I have some news for you. 　A. so B. and　C. but　　 D. yet 题1是主从复合句，所以中间不能使用并列连词and;or; but; so 等。yet 是副词，只有 yet 可以与 though 连用。题2为并列句，而“Exc